agenttesla | 7336a855a84f2f2d0f49c00a9ccdd993135369b15fa93fc429c31bdcdb002cf6

General

Target

aa587ebbf050bd4a1631fd2a3346232a.exe
Size

694KB
MD5

aa587ebbf050bd4a1631fd2a3346232a
SHA1

f898720c9f7ebf199d8400ff4f0a78cdd2f5fc43
SHA256

7336a855a84f2f2d0f49c00a9ccdd993135369b15fa93fc429c31bdcdb002cf6
SHA512

2a2ae165605514b06169215104cea55659dc8ea6fb42a05bfd0bc050704ced3f275bf3b6bf4cce67af140d6fcf598cd007285d12d3e995b57b170a92c65b4a86
SSDEEP

12288:UA+G/T5voQGYWYmjd+Z4dC++FHxaIXGClNLi/e1MGDauKzm0PnqgquWVO:tx7WFYpyd+ZYCvFRauldMZdPnS1VO

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.priserveinfra.com
Port:
587
Username:
[email protected]
Password:
oppipl121019

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

AgentTesla payload 7 IoCs

resource	yara_rule
behavioral1/memory/2356-11-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2356-13-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2356-16-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2356-18-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2356-20-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2356-23-0x0000000004BC0000-0x0000000004C00000-memory.dmp	family_agenttesla
behavioral1/memory/2356-28-0x0000000004BC0000-0x0000000004C00000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	MSBuild.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000\Software\Microsoft\Windows\CurrentVersion\Run\NXLun = "C:\\Users\\Admin\\AppData\\Roaming\\NXLun\\NXLun.exe"	MSBuild.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1684 set thread context of 2356	1684	aa587ebbf050bd4a1631fd2a3346232a.exe	30

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2356	MSBuild.exe
2356	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2356	MSBuild.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1684 wrote to memory of 2356	1684	aa587ebbf050bd4a1631fd2a3346232a.exe	30
PID 1684 wrote to memory of 2356	1684	aa587ebbf050bd4a1631fd2a3346232a.exe	30
PID 1684 wrote to memory of 2356	1684	aa587ebbf050bd4a1631fd2a3346232a.exe	30
PID 1684 wrote to memory of 2356	1684	aa587ebbf050bd4a1631fd2a3346232a.exe	30
PID 1684 wrote to memory of 2356	1684	aa587ebbf050bd4a1631fd2a3346232a.exe	30
PID 1684 wrote to memory of 2356	1684	aa587ebbf050bd4a1631fd2a3346232a.exe	30
PID 1684 wrote to memory of 2356	1684	aa587ebbf050bd4a1631fd2a3346232a.exe	30
PID 1684 wrote to memory of 2356	1684	aa587ebbf050bd4a1631fd2a3346232a.exe	30
PID 1684 wrote to memory of 2356	1684	aa587ebbf050bd4a1631fd2a3346232a.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\aa587ebbf050bd4a1631fd2a3346232a.exe
"C:\Users\Admin\AppData\Local\Temp\aa587ebbf050bd4a1631fd2a3346232a.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1684
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  - Drops file in Drivers directory
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2356

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/1684-21-0x0000000074090000-0x000000007477E000-memory.dmp

Filesize
6.9MB

Download
memory/1684-1-0x0000000074090000-0x000000007477E000-memory.dmp

Filesize
6.9MB

Download
memory/1684-2-0x0000000004DD0000-0x0000000004E10000-memory.dmp

Filesize
256KB

Download
memory/1684-3-0x0000000000620000-0x0000000000638000-memory.dmp

Filesize
96KB

Download
memory/1684-4-0x0000000074090000-0x000000007477E000-memory.dmp

Filesize
6.9MB

Download
memory/1684-5-0x0000000007F50000-0x0000000007FF8000-memory.dmp

Filesize
672KB

Download
memory/1684-6-0x00000000041D0000-0x0000000004216000-memory.dmp

Filesize
280KB

Download
memory/1684-0-0x0000000000880000-0x0000000000934000-memory.dmp

Filesize
720KB

Download
memory/2356-15-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2356-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2356-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2356-16-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2356-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2356-18-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2356-20-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2356-7-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2356-22-0x0000000074090000-0x000000007477E000-memory.dmp

Filesize
6.9MB

Download
memory/2356-23-0x0000000004BC0000-0x0000000004C00000-memory.dmp

Filesize
256KB

Download
memory/2356-25-0x0000000074090000-0x000000007477E000-memory.dmp

Filesize
6.9MB

Download
memory/2356-26-0x0000000004BC0000-0x0000000004C00000-memory.dmp

Filesize
256KB

Download
memory/2356-28-0x0000000004BC0000-0x0000000004C00000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads